1963-1974 Chevrolet Corvette Header Back Exhaust System Hooker 16521HKR universal 409 Stainless Steel Construction adds

409 Stainless Steel Construction adds Corrosion Resistance and Durability

409SS Stainless Steel Construction

These headers can not be used with factory side engine mounts

Models With RPO Code ZR2 ONLY

2001 - 2006 GMC Sierra 1500 HD

1963-1974 Chevrolet Corvette Header Back Exhaust System Hooker 16521HKR universal 409 Stainless Steel Construction addsOverview Hooker Header Back exhaust system is constructed of 2 1 4" 16 gauge aluminized steel tubing for maximum flow and increased performance. This system uses the original equipment tailpipe exit location. Works with any 2 1 4" offset inlet center outlet muffler. Features Reducer Flex Tubes Reduces Backpressure Improves Engine Efficiency Hardware Included Instructions Included 2 1 4" Mandrel Bent Aluminized Steel Construction Application Specs